Finding the Fourth Proportional to 224.08, 336.08 and 79.76
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Solution
The fourth proportional to 224.08, 336.08 and 79.76 is: 119.63
Step by Step Solution
- Step 1: Write the proportion equation
224.08 : 336.08 = 79.76 : x - Step 2: Convert to fraction form
224.08/336.08 = 79.76/x - Step 3: Cross multiply
224.08x = 336.08 × 79.76 - Step 4: Simplify right side
224.08x = 26,805.74 - Step 5: Solve for x
x = 26,805.74/224.08 - Step 6: Final answer
x = 119.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.